Detailed Description

This structure is a wrapper that encapsulates the driver components used to manage a single DWC_usb3 controller.

Data Fields
volatile u8 __iomem *	base

int	gasket_ofs

int	hiber_cnt

u32	hibernate

int	pme_ready

struct dwc_usb3_pcd	pcd

u32	snpsid

dwc_usb3_core_params_t *	core_params

dwc_usb3_core_global_regs_t __iomem *	core_global_regs

u16	total_fifo_size

u16	rx_fifo_size

u32	hird_thresh

u32	gsbuscfg0

u32	gsbuscfg1

u16	alt_interface

unsigned int	cmn_initialized: 1

unsigned int	gadget_initialized: 1

unsigned int	pcd_initialized: 1

unsigned int	cmn_irq_installed: 1

unsigned int	sysfs_initialized: 1

unsigned int	hiber_wait_connect: 1

unsigned int	hiber_wait_u0: 1

unsigned int	program_gsbuscfg: 1


volatile u32 *	event_ptr [DWC_NUM_EVENT_BUFS]

volatile u32 *	event_buf [DWC_NUM_EVENT_BUFS]

dwc_dma_t	event_buf_dma [DWC_NUM_EVENT_BUFS]


u32	hwparams0

u32	hwparams1

u32	hwparams2

u32	hwparams3

u32	hwparams4

u32	hwparams5

u32	hwparams6

u32	hwparams7

u32	hwparams8


u32	dcfg_save

u32	dctl_save

u32	gtxfifosiz0_save

u32	gtxfifosiz1_save

u32	gtxfifosiz2_save

u32	gtxfifosiz3_save

u32	grxfifosiz0_save


void(*	soft_reset_hook )(volatile struct dwc_usb3_device *dev, int softrst, int rstor)

void(*	phy_config_hook )(volatile struct dwc_usb3_device *dev, int softrst, int rstor)

void(*	fifo_sizing_hook )(volatile struct dwc_usb3_device *dev, int softrst, int rstor)

void(*	gctl_init_hook )(volatile struct dwc_usb3_device *dev, int softrst, int rstor)

void(*	set_address_hook )(volatile struct dwc_usb3_device *dev, int softrst, int rstor)

void(*	ep0_start_hook )(volatile struct dwc_usb3_device *dev, int softrst, int rstor)

Field Documentation

◆ base

volatile u8 __iomem* dwc_usb3_device_t::base

OS-specific stuff. KEEP THIS AT THE VERY BEGINNING OF THE DEVICE STRUCT. OSes such as FreeBSD and NetBSD require this. Base address returned from ioremap()

◆ gasket_ofs

int dwc_usb3_device_t::gasket_ofs

Offset to 'gasket' registers (Synopsys FPGA only)

◆ hiber_cnt

int dwc_usb3_device_t::hiber_cnt

Count of threads inside Gadget API

◆ hibernate

u32 dwc_usb3_device_t::hibernate

Hibernation state

◆ pme_ready

int dwc_usb3_device_t::pme_ready

◆ pcd

struct dwc_usb3_pcd dwc_usb3_device_t::pcd

PCD structure

◆ snpsid

u32 dwc_usb3_device_t::snpsid

Value from SNPSID register

◆ core_params

dwc_usb3_core_params_t* dwc_usb3_device_t::core_params

Parameters that define how the core should be configured

◆ core_global_regs

dwc_usb3_core_global_regs_t __iomem* dwc_usb3_device_t::core_global_regs

Core Global registers starting at offset 100h

◆ event_ptr

volatile u32* dwc_usb3_device_t::event_ptr[DWC_NUM_EVENT_BUFS]

Event Buffers for receiving interrupts. Up to 32 buffers are supported by the hardware, but we only use 1.

◆ event_buf

volatile u32* dwc_usb3_device_t::event_buf[DWC_NUM_EVENT_BUFS]

◆ event_buf_dma

dwc_dma_t dwc_usb3_device_t::event_buf_dma[DWC_NUM_EVENT_BUFS]

◆ total_fifo_size

u16 dwc_usb3_device_t::total_fifo_size

Total RAM for FIFOs (Bytes)

◆ rx_fifo_size

u16 dwc_usb3_device_t::rx_fifo_size

Size of Rx FIFO (Bytes)

◆ hwparams0

u32 dwc_usb3_device_t::hwparams0

Hardware Configuration - stored here for convenience

◆ hwparams1

u32 dwc_usb3_device_t::hwparams1

◆ hwparams2

u32 dwc_usb3_device_t::hwparams2

◆ hwparams3

u32 dwc_usb3_device_t::hwparams3

◆ hwparams4

u32 dwc_usb3_device_t::hwparams4

◆ hwparams5

u32 dwc_usb3_device_t::hwparams5

◆ hwparams6

u32 dwc_usb3_device_t::hwparams6

◆ hwparams7

u32 dwc_usb3_device_t::hwparams7

◆ hwparams8

u32 dwc_usb3_device_t::hwparams8

◆ dcfg_save

u32 dwc_usb3_device_t::dcfg_save

Register state, saved across core hibernation

◆ dctl_save

u32 dwc_usb3_device_t::dctl_save

◆ gtxfifosiz0_save

u32 dwc_usb3_device_t::gtxfifosiz0_save

◆ gtxfifosiz1_save

u32 dwc_usb3_device_t::gtxfifosiz1_save

◆ gtxfifosiz2_save

u32 dwc_usb3_device_t::gtxfifosiz2_save

◆ gtxfifosiz3_save

u32 dwc_usb3_device_t::gtxfifosiz3_save

◆ grxfifosiz0_save

u32 dwc_usb3_device_t::grxfifosiz0_save

◆ soft_reset_hook

void(* dwc_usb3_device_t::soft_reset_hook) (volatile struct dwc_usb3_device *dev, int softrst, int rstor)

Hooks for customizing device initialization. See dwc_usb3_pcd_device_init() in cil.c to see how these work.

◆ phy_config_hook

void(* dwc_usb3_device_t::phy_config_hook) (volatile struct dwc_usb3_device *dev, int softrst, int rstor)

◆ fifo_sizing_hook

void(* dwc_usb3_device_t::fifo_sizing_hook) (volatile struct dwc_usb3_device *dev, int softrst, int rstor)

◆ gctl_init_hook

void(* dwc_usb3_device_t::gctl_init_hook) (volatile struct dwc_usb3_device *dev, int softrst, int rstor)

◆ set_address_hook

void(* dwc_usb3_device_t::set_address_hook) (volatile struct dwc_usb3_device *dev, int softrst, int rstor)

◆ ep0_start_hook

void(* dwc_usb3_device_t::ep0_start_hook) (volatile struct dwc_usb3_device *dev, int softrst, int rstor)

◆ hird_thresh

u32 dwc_usb3_device_t::hird_thresh

Value to write into the DCTL HIRD_Thresh field on register initialization. If 0 then a default value of 0x1c will be used.

◆ gsbuscfg0

u32 dwc_usb3_device_t::gsbuscfg0

Values to write into GSBUSCFG0 and GSBUSCFG1 on initialization or when exiting from hibernation. 'program_gsbuscfg' below must also be set to 1 to enable the writing of these values.

◆ gsbuscfg1

u32 dwc_usb3_device_t::gsbuscfg1

◆ alt_interface

u16 dwc_usb3_device_t::alt_interface

◆ cmn_initialized

unsigned int dwc_usb3_device_t::cmn_initialized

True if common functionality has been initialized

◆ gadget_initialized

unsigned int dwc_usb3_device_t::gadget_initialized

True if Gadget has been initialized

◆ pcd_initialized

unsigned int dwc_usb3_device_t::pcd_initialized

True if PCD has been initialized

◆ cmn_irq_installed

unsigned int dwc_usb3_device_t::cmn_irq_installed

True if common IRQ handler has been installed

◆ sysfs_initialized

unsigned int dwc_usb3_device_t::sysfs_initialized

True if sysfs functions have been installed

◆ hiber_wait_connect

unsigned int dwc_usb3_device_t::hiber_wait_connect

True if waiting for connect before resuming from hibernation

◆ hiber_wait_u0

unsigned int dwc_usb3_device_t::hiber_wait_u0

True if waiting for U0 state before sending remote wake

◆ program_gsbuscfg

unsigned int dwc_usb3_device_t::program_gsbuscfg

True if GBUSCFG0/GBUSCFG1 should be written with the above values when exiting hibernation